What was the Israeli involvement in collecting U.S. communications intel for NSA?

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Were Israeli companies Verint and Narus the ones that collected information from the U.S. communications network for the National Security Agency?

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According to an article in the American technology magazine "Wired" from April 2012, two Israeli companies – which the magazine describes as having close connections to the Israeli security community – conduct bugging and wiretapping for the NSA.

Verint, which took over its parent company Comverse Technology earlier this year, is responsible for tapping the communication lines of the American telephone giant Verizon, according to a past Verizon employee sited by James Bamford in Wired. Neither Verint nor Verizon commented on the matter.

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Both Verint and Narus have ties to the Israeli intelligence agency and the Israel Defense Forces intelligence-gathering unit 8200. Hanan Gefen, a former commander of the 8200 unit, told Forbes magazine in 2007 that Comverse's technology, which was formerly the parent company of Verint and merged with it this year, was directly influenced by the technology of 8200. Ori Cohen, one of the founders of Narus, told Fortune magazine in 2001 that his partners had done technology work for the Israeli intelligence.